Loans, Loans Portfolio by Credit Quality Indicators (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2013
Financing Receivable, Recorded Investment [Line Items]
Total	$ 691,719	$ 574,354	$ 556,314
Commercial and Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	38,882	29,306	33,277
Commercial Secured By Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	377,439	313,913	296,213
Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	244,247	215,842	210,150
Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	20,091	12,730	13,436
Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	8,466	2,472	2,838
Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	2,594	91	400
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	652,321	546,877
Pass [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	37,151	27,563
Pass [Member] | Commercial Secured By Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	349,487	295,189
Pass [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	235,402	208,881
Pass [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	19,874	12,681
Pass [Member] | Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	8,351	2,472
Pass [Member] | Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	2,056	91
OAEM [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	3,063	5,147
OAEM [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	20	44
OAEM [Member] | Commercial Secured By Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	2,916	3,967
OAEM [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	127	1,136
OAEM [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
OAEM [Member] | Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
OAEM [Member] | Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	36,335	22,330
Substandard [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	1,711	1,699
Substandard [Member] | Commercial Secured By Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	25,036	14,757
Substandard [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	8,718	5,825
Substandard [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	217	49
Substandard [Member] | Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	115	0
Substandard [Member] | Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	538	0
Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Doubtful [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Doubtful [Member] | Commercial Secured By Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Doubtful [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Doubtful [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Doubtful [Member] | Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Doubtful [Member] | Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	$ 0	$ 0